Units of measurement
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Acre (ac)
Square meter (m²)
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Information
Acre (ac)
An acre (ac) is a traditional land measurement unit in the US and UK, equal to 4046.86 m² (approximately 0.4 ha).
Square meter (m²)
A square meter (m²) is the primary unit of area measurement in the International System of Units (SI). It is used for measuring room sizes, land plots, etc.